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source: svn/trunk/interface/SmearUtil.h@ 439

Last change on this file since 439 was 421, checked in by Xavier Rouby, 15 years ago

NEvents implemented in Detector cards

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1#ifndef _SMEARUTIL_H_
2#define _SMEARUTIL_H_
3
4/***********************************************************************
5** **
6** /----------------------------------------------\ **
7** | Delphes, a framework for the fast simulation | **
8** | of a generic collider experiment | **
9** \----------------------------------------------/ **
10** **
11** **
12** This package uses: **
13** ------------------ **
14** FastJet algorithm: Phys. Lett. B641 (2006) [hep-ph/0512210] **
15** Hector: JINST 2:P09005 (2007) [physics.acc-ph:0707.1198v2] **
16** FROG: [hep-ex/0901.2718v1] **
17** **
18** ------------------------------------------------------------------ **
19** **
20** Main authors: **
21** ------------- **
22** **
23** Severine Ovyn Xavier Rouby **
24** severine.ovyn@uclouvain.be xavier.rouby@cern **
25** **
26** Center for Particle Physics and Phenomenology (CP3) **
27** Universite catholique de Louvain (UCL) **
28** Louvain-la-Neuve, Belgium **
29** **
30** Copyright (C) 2008-2009, **
31** All rights reserved. **
32** **
33***********************************************************************/
34
35/// \file SmearUtil.h
36/// \brief RESOLution class, and some generic definitions
37
38
39#include <vector>
40#include "TLorentzVector.h"
41
42#include "D_Constants.h"
43#include "CaloUtil.h"
44#include "BlockClasses.h"
45#include "TSimpleArray.h"
46#include "PhysicsTower.hh"
47#include "PdgParticle.h"
48
49using namespace std;
50
51// forward declaration instead of 'include' statement
52class TStopwatch;
53
54class D_Particle {
55
56 public:
57 D_Particle(const TLorentzVector & p, const int pid, const float etacalo, const float phicalo) :
58 _fourmomentum(p), _pid(pid), _etaCalo(etacalo), _phiCalo(phicalo) {}
59 //D_Particle(const float e, const float eta, const float phi, const float pt, const int pid) :
60 // _pid(pid), _etaCalo(UNDEFINED), _phiCalo(UNDEFINED) { TLorentzVector p; p.SetPtEtaPhiE(pt,eta,phi,e); _fourmomentum = p; }
61 D_Particle(const float px, const float py, const float pz, const float e, const int pid) :
62 _fourmomentum(px,py,pz,e), _pid(pid), _etaCalo(UNDEFINED), _phiCalo(UNDEFINED) {}
63
64 const float E() const {return _fourmomentum.E();} // particle energy [GeV]
65 const float Px() const {return _fourmomentum.Px();} // horizontal coordinate of momentum [GeV]
66 const float Py() const {return _fourmomentum.Py();} // vertical coordinate of momentum [GeV]
67 const float Pz() const {return _fourmomentum.Pz();} // longitudinal coordinate of momentum [GeV]
68 const float Pt() const {return _fourmomentum.Pt();} // transverse momentum [GeV]
69 const float EtaCalo() const {return _etaCalo;} // pseudorapidity
70 const float Eta() const {return _fourmomentum.Eta();} // pseudorapidity
71 const float PhiCalo() const {return _phiCalo;} // azimuthal angle
72 const float Phi() const {return _fourmomentum.Phi();} // azimuthal angle
73 const int PID() const {return _pid;} // particle energy in [GeV]
74 const TLorentzVector& getFourMomentum() const {return _fourmomentum;}
75
76 private:
77 TLorentzVector _fourmomentum;
78 int _pid;
79 float _etaCalo, _phiCalo;
80};
81
82class RESOLution
83{
84 public:
85 /// Constructor
86 RESOLution();
87 RESOLution(const RESOLution & DET);
88 RESOLution& operator=(const RESOLution& DET);
89 ~RESOLution() { delete [] TOWER_eta_edges; delete [] TOWER_dphi;};
90
91 // Detector coverage
92 float CEN_max_tracker; // tracker pseudorapidity coverage
93 float CEN_max_calo_cen; // central calorimeter pseudorapidity coverage
94 float CEN_max_calo_fwd; // forward calorimeter pseudorapidity coverage
95 float CEN_max_mu; // muon chambers pseudorapidity coverage
96
97 float VFD_min_calo_vfd; // very forward calorimeter pseudorapidity coverage
98 float VFD_max_calo_vfd; // very forward calorimeter pseudorapidity coverage
99 float VFD_min_zdc; // coverage for Zero Degree Calorimeter, for photons and neutrons
100 float VFD_s_zdc; // distance of the Zero Degree Calorimeter, from the Interaction poin, in [m]
101
102 float RP_220_s; // distance of the RP to the IP, in meters
103 float RP_220_x; // distance of the RP to the beam, in meters
104 float RP_420_s; // distance of the RP to the IP, in meters
105 float RP_420_x; // distance of the RP to the beam, in meters
106 string RP_beam1Card; // optics file for beam 1
107 string RP_beam2Card; // optics file for beam 2
108 string RP_IP_name; // label for IP in the optics file ("IP1" or "IP5")
109 float RP_offsetEl_s; // distance from IP (in meter) where both beams separate
110 float RP_offsetEl_x; // distance of separation in horizontal plane, in meter
111 float RP_offsetEl_y; // distance of separation in vertical plane, in meter
112 float RP_cross_x; // IP offset in horizontal plane, in micrometer
113 float RP_cross_y; // IP offset in vertical plane, in micrometer
114 float RP_cross_ang_x; // half crossing angle, in microradian, horizontal plane
115 float RP_cross_ang_y; // half crossing angle, in microradian, vertical plane
116
117
118 //energy resolution for electron/photon
119 // \sigma/E = C + N/E + S/\sqrt{E}
120 float ELG_Scen; // S term for central ECAL
121 float ELG_Ncen; // N term for central ECAL
122 float ELG_Ccen; // C term for central ECAL
123 float ELG_Sfwd; // S term for forward ECAL
124 float ELG_Cfwd; // C term for forward ECAL
125 float ELG_Nfwd; // N term for forward ECAL
126 float ELG_Szdc; // S term for zdc-em sections
127 float ELG_Czdc; // C term for zdc-em sections
128 float ELG_Nzdc; // N term for zdc-em sections
129
130 //energy resolution for hadrons in ecal/hcal/hf
131 // \sigma/E = C + N/E + S/\sqrt{E}
132 float HAD_Shcal; // S term for central HCAL // hadronic calorimeter
133 float HAD_Nhcal; // N term for central HCAL
134 float HAD_Chcal; // C term for central HCAL
135 float HAD_Shf; // S term for central HF // forward calorimeter
136 float HAD_Nhf; // N term for central HF
137 float HAD_Chf; // C term for central HF
138 float HAD_Szdc; // S term for zdc-had sections
139 float HAD_Czdc; // C term for zdc-had sections
140 float HAD_Nzdc; // N term for zdc-had sections
141
142 // muon smearing
143 float MU_SmearPt;
144
145 // time resolution
146 float ZDC_T_resolution;
147 float RP220_T_resolution;
148 float RP420_T_resolution;
149
150 //Magnetic Field information
151 int TRACK_radius; //radius of the BField coverage
152 int TRACK_length; //length of the BField coverage
153 float TRACK_bfield_x;
154 float TRACK_bfield_y;
155 float TRACK_bfield_z;
156 float TRACK_ptmin; // minimal pt needed to reach the calorimeter, in GeV
157 int TRACK_eff; // in percent, should be an integer
158
159
160 //Define Calorimetric towers
161 unsigned int TOWER_number;
162 float * TOWER_eta_edges;
163 float * TOWER_dphi;
164
165 //thresholds for reconstructed objetcs
166 float PTCUT_elec;
167 float PTCUT_muon;
168 float PTCUT_jet;
169 float PTCUT_gamma;
170 float PTCUT_taujet;
171
172 float ZDC_gamma_E; // minimal energy of photons for reconstruction in ZDC
173 float ZDC_n_E; // minimal energy of neutrons for reconstruction in ZDC
174
175 float ISOL_PT; //minimal pt of tracks for isolation criteria
176 float ISOL_Cone; //Cone for isolation criteria
177 float ISOL_Calo_ET; //minimal tower energy for isolation criteria
178 unsigned int ISOL_Calo_Grid; //Grid size (N x N) for calorimetric isolation
179
180
181 //General jet variable
182 double JET_coneradius;
183 int JET_jetalgo;
184 double JET_seed;
185 double JET_overlap;
186
187 // MidPoint algorithm definition
188 double JET_M_coneareafraction;
189 int JET_M_maxpairsize;
190 int JET_M_maxiterations;
191 // Define Cone algorithm.
192 int JET_C_adjacencycut;
193 int JET_C_maxiterations;
194 int JET_C_iratch;
195 //Define SISCone algorithm.
196 int JET_S_npass;
197 double JET_S_protojet_ptmin;
198
199 //For Tau-jet definition
200 // R = sqrt (phi^2 + eta^2)
201 float TAU_energy_scone; // radius R of the cone for tau definition, based on energy threshold
202 float TAU_track_scone; // radius R of the cone for tau definition, based on track number
203 float TAU_track_pt; // minimal pt [GeV] for tracks to be considered in tau definition
204 float TAU_energy_frac; // fraction of energy required in the central part of the cone, for tau jets
205
206 //tagging definition
207 int BTAG_b;
208 int BTAG_mistag_c;
209 int BTAG_mistag_l;
210
211
212 //trigger flag
213 int FLAG_trigger; //flag for trigger
214 int FLAG_frog; //flag for frog display
215 int FLAG_bfield; //flag for bfield propagation
216 int FLAG_vfd; //flag for very forward detector
217 int FLAG_RP; //flag for very forward detector
218 int FLAG_lhco; //flag for very forward detector
219
220 int NEvents_Frog; // number of events to be displayed in frog
221 int NEvents; // number of events to be processed
222 float PT_QUARKS_MIN; // minimal pt needed for quarks to reach the tracker, in GeV
223 int JET_Eflow;
224
225 string PdgTableFilename;
226 //map<int,PdgParticle> PdgTable;
227 PdgTable PDGtable;
228
229 // to sort a vector
230 //void SortedVector(vector<ParticleUtil> &vect);
231 void SortedVector(vector<D_Particle> &vect);
232
233 /// Reads the data card for the initialisation of the parameters
234 void ReadDataCard(const string datacard);
235
236 /// Reads the PDG table
237 void ReadParticleDataGroupTable();
238
239 /// Create the output log file
240 void Logfile(const string& LogName);
241
242 /// Provides the smeared TLorentzVector for the electrons
243 void SmearElectron(TLorentzVector &electron);
244
245 /// Provides the smeared TLorentzVector for the muons
246 void SmearMu(TLorentzVector &muon);
247
248 /// Provides the smeared TLorentzVector for the hadrons
249 void SmearHadron(TLorentzVector &hadron, const float frac);
250
251 /// For electromagnetic collimation in tau jets
252 double EnergySmallCone(const vector<PhysicsTower> &towers, const float eta, const float phi);
253
254 /// Number of tracks in tau jet algo
255 //unsigned int NumTracks(float& charge, const vector<TLorentzVector> &tracks, const float pt_track, const float eta, const float phi);
256 unsigned int NumTracks(float& charge, const vector<TRootTracks> &tracks, const float pt_track, const float eta, const float phi);
257
258 /// b-jets
259 int Bjets(const TSimpleArray<TRootC::GenParticle> &subarray, const float& eta, const float& phi);
260
261 /// b-tag efficiency and misidentification
262 bool Btaggedjet(const TLorentzVector &JET, const TSimpleArray<TRootC::GenParticle> &subarray);
263
264 /// Lepton isolation based on tracking
265 bool Isolation(const D_Particle& part, const vector<TRootTracks> &tracks, const float& pt_second_track, const float& isolCone, float& ptiso);
266
267 /// Lepton isolation based on calorimetry (optional. Default: off)
268 float CaloIsolation(const D_Particle& part, const D_CaloTowerList & towers, const float iPhi, const float iEta);
269
270 //********************* returns a segmented value for eta and phi, for calo towers *****
271 void BinEtaPhi(const float phi, const float eta, float& iPhi, float& iEta);
272
273};
274
275// ** returns the sign (+1 or -1) or an integer
276int sign(const int myint);
277int sign(const float myfloat);
278
279// **************************** Return the Delta Phi****************************
280float DeltaPhi(const float phi1, const float phi2);
281
282// **************************** Returns the Delta R****************************
283float DeltaR(const float phi1, const float eta1, const float phi2, const float eta2);
284
285//************* Returns an array of the quarks sitting within the tracker acceptance ***************
286int ChargeVal(const int pid);
287
288// ********************* prints the time report on screen and in Logfile *********
289void time_report(const TStopwatch& global,const TStopwatch& loop,const TStopwatch& trigger,const TStopwatch& frog,const TStopwatch& lhco, const int flag_frog, const int flag_trigger, const int flag_lhco, const string& LogName, const Long64_t allEntries);
290
291void print_header();
292#endif
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